Share-Based Payments - Components of Share-Based Compensation Expense (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct	[1]	$ 22	$ 19	$ 39	$ 37
Share-based compensation expense capitalized to inventory, less than		1	1	1	1
Stock options / stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		3	3	6	6
RSUs / DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		13	11	24	21
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		$ 6	$ 5	$ 9	$ 10

[1] For the three and six months ended June 30, 2025 and 2024, we capitalized less than $1 million of share-based compensation expense to inventory